CN209752385U - Dust removal and purification device for smelting furnace - Google Patents

Abstract

The utility model relates to a dust removal purification device of a smelting furnace, which comprises a dust removal host, an exhaust fan, an exhaust funnel, a main pipeline and an exhaust hood, wherein the exhaust hood is communicated with the dust removal host, the exhaust hood is communicated with the main pipeline, the exhaust hood is arranged above a furnace body, the upper end of the exhaust hood is communicated with a secondary pipeline, a primary removing box is arranged on one side of the furnace body, the tail end of the secondary pipeline is vertically and rotatably assembled in the primary removing box, and the main pipeline is communicated with one side of the primary removing box; the utility model discloses set up between trunk line and inferior pipeline and just removed the case, just remove the case and carry out preliminary cooling with the flue gas of inferior pipeline conveying in just removing the case simultaneously as the rotatory supporting seat of inferior pipeline for the trunk line uses steel material pipeline or hose all can, the utility model discloses rational in infrastructure, counterpoint precision height, solved use that fixed exhaust pipe exists economic benefits is poor, the material consumes greatly, the space occupies many, the poor problem of smoke exhaust effect.

Description

Dust removal and purification device for smelting furnace

Technical Field

The utility model belongs to the technical field of the flue gas dust removal, concretely relates to smelting furnace dust purification device.

Background

In the casting industry, smelting or refining stones need to be used in smelting furnaces, such as cupola furnaces, medium frequency induction furnaces, electric arc furnaces, refining furnaces (AOD, VOD, LF furnaces and the like), resistance furnaces, gas furnaces and the like, but a large amount of smoke and dust are generated in the metal smelting process, the site environment is seriously polluted, and the health of site workers is harmed. Taking the intermediate frequency furnace as an example, the smoke dust treatment problem of the intermediate frequency furnace is solved by adding a smoke exhaust hood at a furnace mouth in the past, but the smoke exhaust hood needs to be moved away from the furnace mouth during working so as to facilitate operations such as feeding, slag salvaging and the like. However, most of the existing smoke exhaust hoods are fixedly arranged about 1.5 meters above a furnace mouth, and the operations of feeding and the like of the smelting furnace are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art and providing a smelting furnace dust purification device with rotation type enclosure, the enclosure can follow the fire door top and put aside when not using, does not influence the operation such as reinforced of smelting furnace.

The technical scheme of the utility model as follows:

The utility model provides a smelting furnace dust removal purification device, including the dust removal host computer, with air exhauster, aiutage, the trunk line of dust removal host computer intercommunication and through the enclosure of trunk line and dust removal host computer intercommunication, the enclosure sets up in the top of furnace body, the upper end intercommunication of enclosure has inferior pipeline, one side of furnace body is provided with and removes the case just, the terminal vertical rotation assembly of inferior pipeline is removing the case just, the trunk line communicates in the one side of removing the case just.

Further, inferior pipeline is through rotatory flange and first except that the case intercommunication, rotatory flange includes flange and lower flange, just the contact surface of going up flange and lower flange has the tapering to can ensure that inferior pipeline is to the trend of inferior pipeline lower part axis motion all the time in the rotation, prevent inferior pipeline and trunk line dislocation.

Furthermore, the secondary pipeline is communicated with the primary removing box through a rotary bearing.

Further, inferior pipeline through rotary mechanism with remove the case intercommunication for the first time, rotary mechanism including set up at the last support of inferior pipeline lower part with set up and remove the lower support of case upper end for the first time, be provided with the circular orbit on the support down, be provided with the ball groove below the last support, be provided with the ball in ball groove and the circular orbit, utilize circular orbit, ball groove and ball formation can the pivoted structure, and because this structure is comparatively loose, therefore can be in this structure dust extrusion lead to rotate when not smooth and easy dismantlement washing that can be convenient.

Furthermore, an ash baffle is arranged in the primary removing box and used for prolonging the dead time of the smoke dust in the primary removing box, so that the temperature of the smoke dust is reduced, and certain dust can be adsorbed on the surface of the ash baffle before the smoke dust enters the dust removing host.

Furthermore, the dust baffle includes the buckled plate that a plurality of intervals set up.

Further, the dust baffle includes a rotary cylinder, there is the plenum space between the outer wall of rotary cylinder and the inner wall that removes the case for the first time, rotary cylinder's inner wall is provided with the screw thread muscle, the screw thread muscle is rotatory screw thread form, and the flue gas is at the circulation of circling round and is led to the vortex and is detained then flow out from rotary cylinder's bottom, by the trunk line suction.

Furthermore, a handle or a pull rope is arranged on the smoke exhaust hood and used for manually adjusting the direction of the smoke exhaust hood.

Further, the main pipeline or the secondary pipeline is provided with an adjusting butterfly valve, and the adjusting butterfly valve is used for controlling the flow of smoke.

Compared with the prior art, the beneficial effects of the utility model are that:

The utility model is provided with the primary removing box between the main pipeline and the secondary pipeline, and the primary removing box is used as a rotary supporting seat of the secondary pipeline and simultaneously carries out primary cooling on the smoke transmitted by the secondary pipeline in the primary removing box, so that the main pipeline can be made of steel pipelines or hoses; the utility model can move the fume exhaust hood away from the upper part of the furnace mouth when not in use, does not influence the operations of charging and the like of the smelting furnaces, and can conveniently and quickly rotate the fume exhaust hood to the upper part of the furnace mouth of the next smelting furnace for the smelting furnaces used in groups; the utility model discloses rational in infrastructure, counterpoint precision height, solved and used the fixed smoke exhaust pipe the existence economic benefits poor, the material consumption big, the space occupies many, the poor problem of smoke exhaust effect.

Drawings

fig. 1 is a schematic front view of embodiment 1 of the present invention.

Fig. 2 is a schematic side view of embodiment 1 of the present invention.

Fig. 3 is a schematic view of the connection between the secondary pipeline and the preliminary removing box according to embodiment 1 of the present invention.

Fig. 4 is a schematic view of the connection between the secondary pipeline and the preliminary removing box according to embodiment 2 of the present invention.

Fig. 5 is a schematic structural diagram of the preliminary removing box according to embodiment 2 of the present invention.

In the figure, a dust removal host 1, an exhaust funnel 2, a main pipeline 3, an exhaust hood 4, a furnace body 5, a secondary pipeline 6, a primary removal box 7, an upper flange 8, a lower flange 9, an upper support 10, a lower support 11, an annular track 12, a ball groove 13, balls 14, an ash baffle 15, a corrugated plate 16 and a rotary cylinder 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in figure 1, figure 2, figure 3, a smelting furnace dust removal purification device, including dust removal host computer 1, with the air exhauster of dust removal host computer 1 intercommunication, the aiutage, trunk line 3 and through trunk line 3 with the enclosure 4 of dust removal host computer 1 intercommunication, enclosure 4 sets up in the top of furnace body 5, the upper end intercommunication of enclosure 4 has inferior pipeline 6, one side of furnace body 5 is provided with and just removes case 7, the terminal vertical rotation assembly of inferior pipeline 6 is in just removing case 7, trunk line 3 communicates in the one side of just removing case 7. Because inferior pipeline 6 and just remove the cooling effect of case 7 to the smoke and dust, the utility model discloses a trunk line 3 is all with steel pipeline or hose, nevertheless inferior pipeline 6 need use the steel pipeline.

Optionally, as shown in fig. 3, the secondary pipeline 6 is communicated with the primary removing box 7 through a rotating flange, the rotating flange includes an upper flange 8 and a lower flange 9, and a contact surface of the upper flange 8 and the lower flange 9 has a taper, so that the secondary pipeline 6 can always move towards the lower axis of the secondary pipeline 6 when rotating, and the secondary pipeline 6 is prevented from being dislocated with the main pipeline 3.

Optionally, the secondary conduit 6 is in communication with the primary removal tank 7 via a swivel bearing.

Preferably, as shown in fig. 1 and 2, a dust baffle 15 is arranged in the primary removing box 7, and the dust baffle 15 is used for prolonging the stagnation time of the smoke in the primary removing box 7, so as to reduce the temperature of the smoke, and certain dust can be adsorbed on the surface of the dust baffle 15 before the smoke enters the dust removing main machine 1.

In this embodiment, the dust baffle 15 includes the buckled plate 16 that a plurality of intervals set up, and buckled plate 16 is roughly just setting up to the air inlet of main pipe 3, and buckled plate 16 is vertical to be set up, and closes the upper end of that buckled plate 16 nearest to main pipe 3 for during the smoke and dust can only get into the isolated space of that buckled plate 16 that meets most apart from main pipe 3 by the below, increased the motion route of smoke and dust, be favorable to the cooling of smoke and dust and the absorption of dust in the smoke and dust.

Preferably, a handle or a pull rope is arranged on the smoke exhaust hood 4 and used for manually adjusting the direction of the smoke exhaust hood 4.

Preferably, the main pipeline 3 or the secondary pipeline 6 is provided with an adjusting butterfly valve, and the adjusting butterfly valve is used for controlling the flow of smoke.

Example 2

This example is another embodiment based on example 1, and the description of the same technical solution as in example 1 will be omitted, and only the technical solution different from example 1 will be explained.

As shown in fig. 4, the secondary pipe 6 is communicated with the primary removing box 7 through a rotating mechanism, the rotating mechanism comprises an upper support 10 arranged at the lower part of the secondary pipe 6 and a lower support 11 arranged at the upper end of the primary removing box 7, an annular rail 12 is arranged on the lower support 11, a ball groove 13 is arranged below the upper support 10, balls 14 are arranged in the ball groove 13 and the annular rail 12, the lower end of the secondary pipe 6 is arranged in the primary removing box 7 in a penetrating manner, the secondary pipe 6 has enough length in the primary removing box 7 so as to ensure that the secondary pipe 6 can only be separated from the right upper part of the primary removing box 7, and therefore the secondary pipe 6 cannot be inclined or separated from the primary removing box 7 during rotation, a rotatable structure is formed by utilizing the annular rail 12, the ball groove 13 and the balls 14, and the structure is loose, so that the secondary pipe can be conveniently detached and cleaned when the rotation is not smooth due to dust extrusion in the structure.

In this embodiment, the ash baffle 15 includes a rotary cylinder 17, a ventilation space is provided between the outer wall of the rotary cylinder 17 and the inner wall of the primary removing tank 7, the inner wall of the rotary cylinder 17 is provided with a thread rib, the thread rib is in a shape of a rotary thread, and the flue gas is retained in the rotary cylinder 17 by a vortex and then flows out from the bottom of the rotary cylinder 17, so as to be sucked out by the main pipe 3.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (9)

1. The utility model provides a smelting furnace dust removal purification device, including dust removal host computer (1), with air exhauster, aiutage, trunk line (3) of dust removal host computer (1) intercommunication and through trunk line (3) with fume hood (4) of dust removal host computer (1) intercommunication, its characterized in that: the utility model discloses a set up the stove, including exhaust hood (4), secondary pipeline (6), one side of furnace body (5) is provided with and removes case (7) just, the terminal vertical rotation assembly of secondary pipeline (6) is removing case (7) just, trunk line (3) communicate in the one side of removing case (7) just.

2. The dust-removing purification device for smelting furnace according to claim 1, characterized in that: the secondary pipeline (6) is communicated with the primary removing box (7) through a rotating flange, the rotating flange comprises an upper flange (8) and a lower flange (9), and the contact surface of the upper flange (8) and the lower flange (9) has taper.

3. The dust-removing purification device for smelting furnace according to claim 1, characterized in that: the secondary pipeline (6) is communicated with the primary removing box (7) through a rotary bearing.

4. The dust-removing purification device for smelting furnace according to claim 1, characterized in that: inferior pipeline (6) remove case (7) intercommunication through rotary mechanism with beginning, rotary mechanism is including setting up in the last support (10) of inferior pipeline (6) lower part and setting up and removing lower support (11) of case (7) upper end at beginning, the higher authority of holding in the palm (11) down is provided with circular orbit (12), be provided with ball groove (13) below last support (10), be provided with ball (14) in ball groove (13) and circular orbit (12).

5. The dust-removing purification device for smelting furnace according to claim 1, characterized in that: an ash baffle (15) is arranged in the primary removing box (7).

6. The dust-removing purification device for smelting furnace according to claim 5, characterized in that: the dust baffle (15) comprises a plurality of corrugated plates (16) arranged at intervals.

7. The dust-removing purification device for smelting furnace according to claim 5, characterized in that: ash blocking plate (15) are including circling round section of thick bamboo (17), there is the space of ventilating between the outer wall of circling round section of thick bamboo (17) and the inner wall of removing case (7) just, the inner wall of circling round section of thick bamboo (17) is provided with the screw thread muscle, the screw thread muscle is rotatory screw thread form.

8. the dust-removing purification device for smelting furnace according to claim 1, characterized in that: the smoke exhaust hood (4) is provided with a handle or a pull rope.

9. The dust-removing purification device for smelting furnace according to claim 1, characterized in that: and an adjusting butterfly valve is arranged on the main pipeline (3) or the secondary pipeline (6) and is used for controlling the flow of flue gas.